/*******************************************************************************
 * Copyright 2009, 2010 Innovation Gate GmbH
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ******************************************************************************/
package de.innovationgate.utils;


/**
 * Default implementation for an object formatter that does nothing
 */
public class DefaultObjectFormatter implements ObjectFormatter {	
	
	private static DefaultObjectFormatter _instance;
	
	private DefaultObjectFormatter() {
	}

	static {
		_instance = new DefaultObjectFormatter();
	}
	
	public String format(Object obj) {
		if (obj != null) {
			return obj.toString();
		}
		else {
			return "";
		}
	}

	/**
	 * Returns a static singleton instance of the default formatter
	 */
	public static DefaultObjectFormatter getInstance() {
		return _instance;
	}

}

